Pith Number

pith:NA6RBNW6

pith:2001:NA6RBNW6KUPLLO2ES4UVZ4JGQE

not attested not anchored not stored refs pending

The Calculation of Matrix Elements in Relativistic Quantum Mechanics

A. C. Ilarraza-Lomel\'i, A. L. Salas-Brito, H. N. N\'u\~nez-Y\'epez, M. N. Vald\'es-Mart\'inez, R. P. Mart\'inez-y-Romero

arxiv:physics/0109015 v1 · 2001-09-05 · physics.atom-ph · physics.chem-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NA6RBNW6KUPLLO2ES4UVZ4JGQE}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T01:09:07.567875Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

683d10b6de551eb5bb4497295cf126813a72389ba3855c5e91eb5974c81ca55a

Aliases

arxiv: physics/0109015 · arxiv_version: physics/0109015v1 · doi: 10.48550/arxiv.physics/0109015 · pith_short_12: NA6RBNW6KUPL · pith_short_16: NA6RBNW6KUPLLO2E · pith_short_8: NA6RBNW6

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/NA6RBNW6KUPLLO2ES4UVZ4JGQE \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 683d10b6de551eb5bb4497295cf126813a72389ba3855c5e91eb5974c81ca55a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "54bcb4a15702ab95d3e972aa6bdf99e3fbe78d336526ddc65143185fa6d140b5",
    "cross_cats_sorted": [
      "physics.chem-ph"
    ],
    "license": "",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2001-09-05T23:42:15Z",
    "title_canon_sha256": "f2f185698aadd2332583b5d24ede7072e5e31b266f97449414660959d270d694"
  },
  "schema_version": "1.0",
  "source": {
    "id": "physics/0109015",
    "kind": "arxiv",
    "version": 1
  }
}